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C/C++ Source or Header  |  1997-12-30  |  275 b   |  17 lines
  1. #include <string.h>
  2.  
  3. #undef memmove
  4.  
  5. void *memmove(void *s1,const void *s2,size_t n)
  6. /*  s.o.    */
  7. {
  8.     char *d=(char *)s1,*s=(char *)s2;
  9.     if(s<d){
  10.         d+=n;s+=n;
  11.         while(n) {n--;*--d=*--s;}
  12.     }else{
  13.         while(n) {n--;*d++=*s++;}
  14.     }
  15.     return(s1);
  16. }
  17.